Raw materials such as nitrogen, phosphorus and more are absorbed through_______ of plants.

In humans, the blood vessels such as arteries and veins involved in the circulatory system are connected by a web of extremely narrow tubes known as______.

Which of the following is not a part of the basic functional unit of kidneys??

The sperms transported from vas deferens is added to the fluid by:

The organism utilizing a sexual mode of reproduction have advantages over other organisms who reproduce through the asexual mode of reproduction. It includes:

In women two are present which actively participate in the

A balanced chemical equation always obeys .

Oily food kept out for few days gives a bad taste and a bad
smell because of .

The sign ↓ indicates.

What is rust?

When an acid reacts with an alkali, we get salt and
water, we call it ________ .

A group of three elements that are chemically similar called ____.

Which of the following is/are triad?

Döbereiner arranged the three elements in a triad in an increasing order of atomic _______.